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243 heads question

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Old 06-30-2008 | 10:10 PM
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From: al
Default 243 heads question
i have been looking at these heads, but it seems that some have "D" shaped exhaust ports and some just have round ones. does that make any sense or am i just a dumbass?
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Old 06-30-2008 | 11:35 PM
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They all have "D" shaped exhaust ports. The ones that look like round ports are due to the carbon build-up around the port, but they actually are "D" shaped.
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Old 07-01-2008 | 12:01 AM
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the Ls1 241,853, and 98 ls1 heads are all round ports. the D ports are only on 243 heads
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Old 07-01-2008 | 12:06 AM
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Originally Posted by ae13291
the Ls1 241,853, and 98 ls1 heads are all round ports. the D ports are only on 243 heads
I should have been a bit clearer. All 243 casting heads have the "D" shaped ports.
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Old 07-01-2008 | 08:17 AM
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thanks guys. that really helps!!!!!!!
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